Add 42/24 and 40/5
1st number: 1 18/24, 2nd number: 8 0/5
42/24 + 40/5 is 39/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
42/24 = 42 × 5/24 × 5 = 210/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
40/5 = 40 × 24/5 × 24 = 960/120 - Add the two like fractions:
210/120 + 960/120 = 210 + 960/120 = 1170/120 - 1170/120 simplified gives 39/4
- So, 42/24 + 40/5 = 39/4
In mixed form: 93/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+40/5 42/24+80/5 42/48+40/5 42/24+40/10 42/72+40/5 42/24+40/15 42/24+40/25 42/24+40/35